Thomas Butler, 3rd Baron Cahir or Caher (died ) was an Anglo-Irish peer. He was the son of Piers Butler, the nephew of his namesake the 2nd Baron and the grandson of the 1st Baron. Marriage and issue He married Eleanor, the sister of John Power, 5th Baron Le Power. His heir, Edmund, predeceased the Baron who was succeeded by his grandson, Pierce. References 17th-century Irish people Year of birth uncertain Barons in the Peerage of Ireland Thomas 1648 deaths